Adds a boolean to indicate if v8 should use the correct architecture
Adds a boolean to indicate if v8 should use the correct architecture

This is needed so that I can land patches straddling the v8 and chrome
repos.

BUG=465456
TEST=none
R=jochen@chromium.org

Review URL: https://codereview.chromium.org/987373002

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#319899}

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